<template>
  <div class="shopcar-container">
    <div class="goodslist">
      <!-- 商品列表项目区域 -->
      <div class="mui-card" v-for="(item,i) in goodslist" :key="item.id">
        <div class="mui-card-content">
          <div class="mui-card-content-inner">
            <mt-switch v-model="$store.getters.getGoodsSelected[item.id]" @change="selectChanged(item.id,$store.getters.getGoodsSelected[item.id])"></mt-switch>
            <img :src="item.thumb_path" :alt="item.titile">
            <div class="info">
              <h1>{{item.titile}}</h1>
              <p>
                <span class="price">￥{{item.sell_price}}</span>
                <carNumber :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></carNumber>
                <a href="#" @click.prevent="remove(item.id,i)">删除</a>
                <!-- remove 里面的i  是用过来删除 goodslist 索引的数据、这个item.id 是用来删除vuex里面car -->
              </p>
            </div>
          </div>
        </div>
      </div>
      <p>{{$store.getters.getGoodsCount}}</p>
      <div class="mui-card">
        <div class="mui-card-content">
          <div class="mui-card-content-inner jiesuan">
              <div class="left">
                <p>总计：(不包含运费)</p>
                <p>已勾选商品<span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span>件，总价 ￥<span class="red">{{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
              </div>
              <mt-button type="danger">去结算</mt-button>
          </div>
        </div>
      </div>
      <p>{{$store.getters.getGoodsSelected}}</p>
    </div>
  </div>
</template>
<script>
import carNumber from "../subcomponents/car_number.vue";
import axios from "axios";
export default {
  data() {
    return {
        goodslist:[]//购物车中所有商品的数据
    };
  },
  methods: {
      getGoodSList(){
        //   1.获取到store中所有商品的id,然后拼接出一个用逗号分隔的字符串，
        var idArr=[]
        this.$store.state.car.forEach(item => {
            idArr.push(item.id)
        });
        //如果购物车中没有商品贼直接返回，不需要请求数据接口，否则会报错。
        if(idArr.length<=0){
            return
        }
          //获取购物车商品列表
          axios.get('api/goods/getshopcarlist/'+ idArr.join(','))
          .then(res=>{
              if(res.data.status===0){
                  this.goodslist=res.data.message
              }
          })
          .catch(res=>{
              console.log(res)
          })
      },
      remove(id,index){
        //点击删除，把商品从store中根据传递的ID删除，同时把当前组件中的goodslist 中，对应要删除的那个商品。使用index来删除
        this.goodslist.splice(index,1);
        this.$store.commit('removeFormCar',id)
      },
      selectChanged(id,val){
        //每当点击开关,把最新的开关状态，同步到store中
        console.log(id+"==="+val)
        this.$store.commit("updataGoodsSelceted",{id,selected:val})
      }
  },
  created(){
      this.getGoodSList();
  },
  components: {
    carNumber
  }
};
</script>
<style lang="scss" scoped>
.shopcar-container {
  background: #eee;
  overflow: hidden;

  .goodslist {
    .mui-card-content-inner {
      display: flex;
      align-items: center;//纵向居中
    }
    img {
      width: 60px;
      height: 60px;
    }
    h1 {
      font-size: 13px;
    }
    .info {
        display:flex;
        flex-direction:column;
        justify-content: space-between;
        padding-left: 10px;
      .price {
        color: #f00;
        font-weight: bold;
      }
    }
  }
  .jiesuan{
    display:flex;
    justify-content: space-between;
    align-items: center;
    .red{
      color: #f00;
      font-weight: bold;
      font-size: 16px;
    }
    
  }
}
</style>